MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to disposable domains, suggesting a phishing or malware distribution attempt. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to decrypt a payload, a common tactic for evading gateway security. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9879
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://thuocnam.xyz/images/files/dufife.pdf In PDF document text
- http://remobudostol.pl/pliki/pabakidanufolutivilugoveb.pdfIn PDF document text
- http://arabstina.com/ckfinder/userfiles/files/25729786994.pdfIn PDF document text
- http://cyuansheng.com/userfiles/file/4314065899.pdfIn PDF document text
- http://wernitznigg.at/files/93703652783.pdfIn PDF document text
- http://popmetre.com/news/files/muzejuxekafukele.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/kivasumuwadewikesepisu.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/161451d0b7b369---raluraropabesugeg.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/vetokuworidez.pdfIn PDF document text
- http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/8566081084.pdfIn PDF document text
- http://trustycctv.com/ckfinder/userfiles/files/93034421254.pdfIn PDF document text
- https://cailux.lu/userfiles/files/2622774925.pdfIn PDF document text
- https://tese.in/ckfinder/userfiles/files/geketixofitovomatidav.pdfIn PDF document text
- http://tomasmrazek.cz/userfiles/file/15377646319.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/medijadamexesakev.pdfIn PDF document text
- http://theheavent.com/userfiles/files/92097314517.pdfIn PDF document text
- http://dungcumaymoc.com/Images_upload/files/zidopizax.pdfIn PDF document text
- http://thsport.dk/userfiles/file/lovixemoli.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/5ed005730716cf2ade658034c5998e67/xixabepozusig.pdfIn PDF document text
- https://mb-classic-service.de/userfiles/file/15860377969.pdfIn PDF document text
- https://uudanbury.life/files/file/17077933253.pdfIn PDF document text
- https://adurucui.com/ckfinder/files/91597931984.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/87489355717.pdfIn PDF document text
- http://serenetour.com/image/upload/File/kivoxiwajawulija.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109010837582123.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/35602903575.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=install+ios+on+androidPDF link annotation
- http://e1pl2.nazwa.pl/busy/fotki/file/guxab.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12419 | 10060 bytes |
SHA-256: 825a71e826837d16239226be4033219acf8c30063e64176cbe6504be0f0a7f0d |
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font_02_sfnt_off00013a88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A88 | 19480 bytes |
SHA-256: f8002ddd9d9c1a06e5fc6abd5947e587e47736e6650ff21a6c7681664c7839cc |
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